A woman walks past grafitti reading “Donetsk will be free”, and bearing a Russian flag in Donetsk on October 10, 2014

A woman walks past grafitti reading “Donetsk will be free”, and bearing a Russian flag in Donetsk on October 10, 2014

Ukraine’s president on Friday fired a millionaire businessman who failed to stop the advance of pro-Russian rebels while governor of war-torn Donetsk and replaced him with a hardline nationalist general.